The most effective methods of birth control are sterilization by means of vasectomy in males and tubal ligation in females, intrauterine devices (IUDs) and implantable contraceptives. This is followed by a number of hormonal contraceptives including oral pills, patches, vaginal rings, and injections.
Strongyloides StronÂ·gyÂ·loiÂ·des (strÅn'jÉ-loi'dÄz) n. A genus of small nematode intestinal parasites that includes the species that causes strongyloidiasis in humans.
Strongyloides. a genus of nematode parasites. S. stercoraÂ´lis is a species found in the intestines of humans and other mammals in the tropics, and is the most common cause of strongyloidiasis.trongyloides simiae. see S. fuelleborni (above). Strongyloides stercoralis. a species found in the intestine of humans and other mammals, primarily in the tropics and subtropics, usually causing diarrhea and intestinal ulceration.